## Ruby program to calculate the perimeter of the circle

```
# Ruby program to calculate the
# perimeter of the circle
print "Enter radius: ";
radius = gets.chomp.to_i;
perimeter = 2* 3.14 * radius;
print "Perimeter of circle: ",perimeter;
```

```
Enter radius: 6
Perimeter of circle: 37.68
```

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